Seiko Cal. 3857 - 846

The Seiko 3857-846 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a52dc2dc70cc]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1971

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